the market, heavy with technology stocks, blamed a technical glitch. here's our senior business correspondent anthony mason. >> reporter: the nasdaq saw the first signs of computer trouble at 11:45 this morning. by 12:15, they'd frozen trading on the second-biggest american exchange. for three hours, investors could not buy or sell 3,200 stocks, including tech giants like apple, microsoft, and facebook. it was another major embarrassment for the nasdaq, which just last year bungled the debut of facebook stock when technical glitches marred its first day of trading, leading to hundreds of millions of dollars in investor losses. when the nasdaq goes down for this period of time, what does that do to investor confidence? >> it definitely destroys the average retail investor confidence, but i think it also is destroying entrepreneurs' confidence. >> reporter: barry silbert is founder and c.e.o. of second market, an alternative online trading platform for buyers and sellers of companies that have not gone public. the nasdaq outage, he says, is just the late